Home / 85,407,790.72-117,871,181.76-48,743,847.04

Finding the Fourth Proportional to 85,407,790.72, 117,871,181.76 and 48,743,847.04

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Solution

The fourth proportional to 85,407,790.72, 117,871,181.76 and 48,743,847.04 is: 67,271,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,407,790.72 : 117,871,181.76 = 48,743,847.04 : x
  2. Step 2: Convert to fraction form
    85,407,790.72/117,871,181.76 = 48,743,847.04/x
  3. Step 3: Cross multiply
    85,407,790.72x = 117,871,181.76 × 48,743,847.04
  4. Step 4: Simplify right side
    85,407,790.72x = 5,745,494,854,133,478
  5. Step 5: Solve for x
    x = 5,745,494,854,133,478/85,407,790.72
  6. Step 6: Final answer
    x = 67,271,320.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.